OpenTechnical

OT-2026-000090868

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, single stage ejector, pressure sensor per zone, sustained blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000090868) never changes.

Identity and time

Publication numberOT-2026-000090868 · never reused
Internal UUID01a0ae9c-c010-7186-a848-f37b947d5ae8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:03.518217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090868
StatusPUBLIC

Content hashes

Canonical textdff0c16058e2a5cf87722702b6bf56694f29ce645753845ef8fad2627e3db321
Markdown2645f4bc63659f141d48d14c7f27a3743f5577ec4eb06c198670f6261dc70081
PDF
Publication paged8fb7924ad281e8f872d96686b297458b6ef21b4f899363bad55dea63992b750
Manifest307614e4a69a811031677c2bdff093565c3a51e2ba7f19c351673249efbaaceb

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature73q3wWdMo0TgO3J2hiHwLOPnBqmpHC0al5RrwTAjZbebvjXOQ+VpS2z4A0Z2IkNEX5pLnuQSf0PKUVLXpG0XCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:44:03.670973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090868
observed d8fb7924ad281e8f872d96686b297458...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:03.650969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090868/manifest.json
observed 307614e4a69a811031677c2bdff09356...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:03.633089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090868/publication.md
observed 2645f4bc63659f141d48d14c7f27a374...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:03.613580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090868/publication.txt
observed dff0c16058e2a5cf87722702b6bf5669...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.